1974Peak 19992025
Quick answers about Rhiannon
How many people are named Rhiannon?
An estimated 15,245 living Americans are named Rhiannon.
How rare is Rhiannon?
Rhiannon is uncommon among babies today, with 210 girls receiving the name in 2025, down 67.7% from its 1999 peak.
How old is the typical Rhiannon?
The median age of a living American named Rhiannon is approximately 28 years, with most bearers falling between 21 and 40 years old.
Is Rhiannon still popular?
Yes — Rhiannon is currently rising in popularity, with 210 births in 2025.
Diaspora map
Rhiannon broke out in California, Colorado, and Washington (1977) and became over-represented in 11 states over 25 years.
Broke out: California, Colorado, and Washington, 1977 · over-represented in 11 states over 25 years
Origin
≤5 yrs
≤15 yrs
16+ yrs
No breakout